Fishing line sizeThe normal spring spool length is 22cm, and the maximum extension length is 120cm. Premium MaterialThe spring spool is made of plastic, the keychain and hook are made of 304 stainless steel, the hook is a stronger carabiner made of TPU material, which is resistant to cold, abrasion and hydrolysis. Strong elasticityThe spiral has good luster and fast rebound. It can recover and fully retract back to its original shape immediately after being stretched. Including stainless steel wire rope, not easy to break, has excellent load-bearing capacity. Lightweight and Flexible The coiled tether is very flexible and lightweight, and can be rolled up for storage or easily attached to other items. Anglers are suitable for protecting tools such as pliers, scissors, keys, etc. that are lost or dropped into the water. You can fish freely without any worries. Wide ApplicationsA must-have tool for fishing, skiing, mountaineering, camping, hiking, sailing, hunting, diving, canoeing, surfing, snorkeling, rafting, boating and other outdoor sports.